(1)按種子的(de)經(jing)(jing)濟(ji)用(yong)途分(fen)為: 食用(yong)型、油用(yong)型、中間型(生(sheng)育性(xing)狀和(he)經(jing)(jing)濟(ji)性(xing)狀介于食用(yong)型和(he)油用(yong)型之間)。
(2)按生(sheng)(sheng)(sheng)(sheng)育期(qi)(qi)分為(wei)極早熟(shu)種(zhong)(zhong)(生(sheng)(sheng)(sheng)(sheng)育期(qi)(qi)在85天(tian)以內)、早熟(shu)種(zhong)(zhong)(生(sheng)(sheng)(sheng)(sheng)育期(qi)(qi)86一100天(tian))、中(zhong)早熟(shu)種(zhong)(zhong)(生(sheng)(sheng)(sheng)(sheng)育期(qi)(qi)101—105天(tian))、中(zhong)熟(shu)種(zhong)(zhong)(生(sheng)(sheng)(sheng)(sheng)育期(qi)(qi)106一l15天(tian))、中(zhong)晚熟(shu)種(zhong)(zhong)(生(sheng)(sheng)(sheng)(sheng)育期(qi)(qi)116一125天(tian))和(he)晚熟(shu)種(zhong)(zhong)(生(sheng)(sheng)(sheng)(sheng)育期(qi)(qi)為(wei)126天(tian)以上)。













